1. Faculty of Science, Department of Biology, University of Tabuk, P.O. Box 741, Tabuk 71491, Saudi Arabia
2. Parasitology Laboratory, Water Pollution Researches Department, National Research Center, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
3. Medicinal and Aromatic Plants Researches Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt